Aquarium



FIG. 1 is a front perspective view of a first embodiment of an aquarium showing my new design.

FIG. 2 is a rear perspective view of the aquarium.

FIG. 3 is bottom perspective view of the aquarium.

FIG. 4 is a front perspective view of a second embodiment of an aquarium showing my new design.

FIG. 5 is a rear perspective view of the aquarium shown in FIG. 4; and,

FIG. 6 is bottom perspective view of the aquarium shown in FIG. 4.

The broken lines shown herein are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an aquarium, as shown and described. 